Reciprocating middle grate bar
▌Product introduction
Our company introduced the world’s most advanced two Danish Disha casting production lines. Can provide all the spare parts of boiler grate. Customize various sizes according to client’s demand.
Material: HT200, HT250, RTSi5, RQTSi5, RTCr16, RTCr, RTCr2, RTCr5, RTCr2Si4Mo Customize various material according to client’s demand. The product meets the technical standard NB/T 47050-2016.
▌Different Kinds of material for boiler grates
| Material | Advantage | Shortcoming | Heat Resistant | Fuel | Boiler grate |
|---|---|---|---|---|---|
| HT200 | Simple process and low cost | Poor heat resistance and corrosion resistance | 480℃ | Suitable for low calorific value coal | Chain grate |
| HT250 | Good strength, wear resistance, heat resistance | Complex casting and high cost | 520℃ | Suitable for low calorific value coal | All the boiler grates |
| RTCr | High oxidation resistance and volume stability | Poor toughness | 550℃ | Suitable for low calorific value coal | Chain grate |
| RTCr2 | High oxidation resistance and volume stability | Poor toughness | 600℃ | Suitable for high calorific value coal, biomass | Suitable for various chains |
| Boiler grates and hot water boilers | |||||
| Reciprocating type grate | |||||
| RTCr5 | Good oxidation resistance and corrosion resistance | Poor toughness | 700℃ | Suitable for high calorific value coal, biomass | Larger grate |
| RTCr16 | Good oxidation resistance and corrosion resistance | Poor toughness | 900℃ | Suitable for various high calorific value coals and biomass | All the boiler grates |
| RTSi5 | Good heat resistance and improved brittleness | Mechanical and thermal shock force difference | 700℃ | Suitable for high calorific value coal and biomass | All the boiler grates |
| RTQSi5 | Good heat resistance and improved brittleness | Poor corrosion resistance | 800℃ | Suitable for high calorific value coal and biomass | All the boiler grates |
| RTCr3Si2 | High temperature strength and high oxidation resistance | High brittleness at room temperature | 900℃ | Suitable for high calorific value coal and biomass | All the boiler grates |
| RTQSi2 | High strength, wear resistance, no deformation, low cost | Complex casting process | 1200℃ | Suitable for various coal and biomass | All the boiler grates |
| ZG40CR24 | Wear resistance, heat resistance, high temperature resistance, long-term non oxidation | Extremely high production costs | 1250℃ | Suitable for various coal and biomass | All the boiler grates |
| ZGCr25Ni | Wear resistance, heat resistance, high temperature resistance, long-term non oxidation | Extremely high production costs | 1350℃ | Suitable for various coal and biomass | All the boiler grates |
| RTCr2Si4Mo | Wear resistance, heat resistance, high temperature resistance, long-term non oxidation | Extremely high production costs | 1500℃ | Suitable for various coal and biomass | All the boiler grates |
